Funding for this research was provided by:
Academic Center for Education, Culture and Research
Received: 1 April 2017
Accepted: 19 June 2018
First Online: 28 June 2018
Ethics approval and consent to participate
: The study was approved by the Academic Center for Education, Culture and Research Scientific Review Board. It was approved by BCRC Ethics Committee and Ethic Number IR.ACECR.IBCRC.REC.1394.10 was issued.
: This manuscript is published without the name of participants. They had accepted a written consent for participating in research and publishing the results.
: The authors declare that they have no competing interests
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